Hello, I am using a Delta DVP-12SE in ISPSoft and have developed custom function blocks for motors. However, when I try to implement them with 8 motors, I receive Error 400 "Bit Device Insufficiency." This error prompts me to check the symbol allocation table. Despite having StepCount at 2804 out of 15872 steps, indicating that there is enough space in program memory, I am facing this issue. There are no errors in POU compilation. How can I expand the memory allocation without needing to add another Delta DVP-12SE PLC or switching to Siemens? Your assistance is greatly appreciated!
Hello, I noticed that the range of the M file in Device Resource Allocation has been expanded. It seems that you are utilizing BOOL inputs and outputs. Have you made any modifications to the range recently?
Hello @JTCat, thank you for your prompt response. Unfortunately, it appears that the SE model does not allow for the adjustment of this setting.
Hello everyone, I am encountering a similar issue with functions in my program. Whenever I try to input a function, an error message pops up. Can anyone provide guidance on resolving this issue?
Hi there! I came across a similar issue while using Delta DVP PLC. Error 400 "Bit Device Insufficiency" often appears when there isn't enough device memory, rather than program memory. Pay closer attention to your use of intermediary variables or Function Block instances. Your custom motor function block might be consuming more memory than you've anticipated. Try to optimise your logic or use global memory efficiently as these areas can consume a significant amount of memory. Remember, even though your step count might appear to have plenty of room left, every little bit of device memory use counts. I hope this helps!
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Answer: - Error 400 in Delta DVP-12SE ISPSoft indicates a lack of bit device memory for your program to run successfully.
Answer: - To resolve Error 400 with multiple motors, you may need to adjust the memory allocation in the symbol table to ensure enough bit device memory is available.
Answer: - Yes, it may be possible to expand memory allocation on a Delta DVP-12SE PLC by optimizing the memory usage within the program and adjusting symbol allocation settings.
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